正确答案: A

立即划离难船一段距离

题目：船员从难船进入艇筏后应：

解析：A

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学习资料的答案和解析：

[单选题]Cleaning, painting and repair work is known as ______.

maintenance work

[单选题]负责管理发电原动机及为它服务的机械设备的是______。

二管轮

[单选题]As the plunger moves upwards in the barrel, injection will commence once the plunger bas_______the spill ports and the pressure builds up.

closed off

[单选题]Which of the following statements represents an advantage of an electromagnetic clutch?

Engine torsional vibrations to the driven shaft are eliminated

[单选题]下列说法________正确。

A和B均不正确

[单选题]半圆法150°NE换算成圆周法应为：()

150°

[单选题]排气口与扫气口分别设在气缸中心线相对两侧的缸套，其换气形式称为()

横流